In many European countries this protozoan infection is the most common and most serious tick-transmitted infectious disease affecting dogs. Cases of autochthonous babesiosis have already been reported in several countries such France, Germany, Hungary, Italy and the Netherlands.

It is a seasonal disease (spring and autumn) but this may, however, change drastically if Rhipicephalus sanguineus is involved, an endophillic tick which infests kennels and can be active all year round.